U.S. patent application number 11/157081 was filed with the patent office on 2005-12-29 for method for shaving with at least one anhydrous film, use of at least one anhydrous film for the preparation of a shaving product, and shaving kits.
Invention is credited to Legendre, Jean-Yves.
Application Number | 20050287106 11/157081 |
Document ID | / |
Family ID | 35506005 |
Filed Date | 2005-12-29 |
United States Patent
Application |
20050287106 |
Kind Code |
A1 |
Legendre, Jean-Yves |
December 29, 2005 |
Method for shaving with at least one anhydrous film, use of at
least one anhydrous film for the preparation of a shaving product,
and shaving kits
Abstract
Disclosed herein is a method for shaving the skin, comprising
(1) forming at the time of use a shaving composition by bringing at
least one anhydrous film into contact with a solvent, for example
an aqueous composition, (2) applying the composition thus formed to
the surface of the skin to be shaved, and (3) shaving hairs using a
razor. Also disclosed herein is a shaving kit comprising (a) at
least one anhydrous film which is soluble or dispersible in a
solvent, (b) at least one razor, such as a disposable razor, and/or
(c) a means for spreading a shaving composition. The kit may
further comprise the solvent intended to be mixed at the time of
use with the anhydrous film or an aftershave composition.
Inventors: |
Legendre, Jean-Yves; (Paris,
FR) |
Correspondence
Address: |
FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER
LLP
901 NEW YORK AVENUE, NW
WASHINGTON
DC
20001-4413
US
|
Family ID: |
35506005 |
Appl. No.: |
11/157081 |
Filed: |
June 21, 2005 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
|
|
60587058 |
Jul 13, 2004 |
|
|
|
Current U.S.
Class: |
424/73 |
Current CPC
Class: |
A61K 8/02 20130101; A61K
8/0208 20130101; A61K 8/922 20130101; A61K 8/732 20130101; A61Q
9/02 20130101; A61K 2800/31 20130101 |
Class at
Publication: |
424/073 |
International
Class: |
A61K 007/15 |
Foreign Application Data
Date |
Code |
Application Number |
Jun 22, 2004 |
FR |
04 51191 |
Claims
What is claimed is:
1. A method for shaving the skin, comprising: (1) generating a
shaving composition by bringing at least one anhydrous film which
is soluble or dispersible in a solvent into contact with the
solvent, (2) applying the shaving composition thus formed to the
surface of skin to be shaved, and (3) shaving the skin using a
razor.
2. The method according to claim 1, wherein the at least one
anhydrous film has a thickness ranging from 50 .mu.m to 5,000
.mu.m.
3. The method according to claim 2, wherein the at least one
anhydrous film has a thickness ranging from 100 to 2,000 .mu.m.
4. The method according to claim 1, wherein the at least one
anhydrous film is formed by a single layer.
5. The method according to claim 1, wherein the at least one
anhydrous film is composed of more than one superimposed layer.
6. The method according to claim 1, wherein the at least one
anhydrous film has a surface area ranging from 1 to 50
cm.sup.2.
7. The method according to claim 6, wherein the at least one
anhydrous film has a surface area ranging from 2 to 30
cm.sup.2.
8. The method according to claim 1, wherein the at least one
anhydrous film is dispersible or soluble in water and the solvent
is an aqueous composition.
9. The method according to claim 1, wherein the at least one
anhydrous film comprises at least one hydrophilic polymer which is
soluble in water and fibers which are soluble or dispersible in
water.
10. The method according to claim 9, wherein the at least one
hydrophilic polymer which is soluble in water is chosen from:
polyvinylpyrrolidones; cellulose polymers; optionally modified
starches; and optionally modified polymers of natural origin.
11. The method according to claim 9, wherein the at least one
hydrophilic polymer which is soluble in water is present in the at
least one anhydrous film in an amount ranging from 5 to 80% by
weight, relative to the total weight of the film.
12. The method according to claim 11, wherein the at least one
hydrophilic polymer which is soluble in water is present in the at
least one anhydrous film in an amount ranging from 10 to 60% by
weight, relative to the total weight of the film.
13. The method according to claim 9, wherein the fibers comprise
fibers of natural origin.
14. The method according to claim 13, wherein the fibers of natural
origin are chosen from at least one of silk, cotton, wool, flax,
cellulose fibers extracted from plants, and cellulose fibers
resulting from wood.
15. The method according to claim 13, wherein the fibers of natural
origin are mixed with synthetic resins or fibers.
16. The method according to claim 15, wherein the synthetic resins
or fibers are chosen from at least one of polypropylene,
polyethylene, poly(ethylene terephthalate), polyamide, and
poly(vinyl acetate) resins or fibers.
17. The method according to claim 13, wherein the fibers are
water-soluble fibers produced from poly(vinyl alcohol) (PVA).
18. The method according to claim 13, wherein the fibers are
present in the at least one anhydrous film in an amount ranging
from 1 to 90% by weight, relative to the total weight of the
film.
19. The method according to claim 18, wherein the fibers are
present in the at least one anhydrous film in an amount ranging
from 5 to 80% by weight, relative to the total weight of the
film.
20. The method according to claim 1, wherein the at least one
anhydrous film further comprises at least one surfactant.
21. The method according to claim 20, wherein the at least one
surfactant is chosen from anionic, amphoteric, zwitterionic, and
nonionic surfactants and mixtures thereof.
22. The method according to claim 21, wherein the at least one
surfactant is chosen from anionic surfactants.
23. The method according to claim 21, wherein the at least one
surfactant is chosen from salts of fatty acids comprising at least
one saturated or unsaturated, linear or branched, alkyl chain
having from 6 to 30 carbon atoms.
24. The method according to claim 23, wherein the at least one
saturated or unsaturated, linear or branched alkyl chain has 12 to
22 carbon atoms.
25. The method according to claim 23, wherein the salts of fatty
acids are chosen from alkanolamine salts; potassium hydroxide salts
of lauric acid, myristic acid, palmitic acid, and stearic acid; and
mixtures thereof.
26. The method according to claim 20, wherein the at least one
surfactant is present in the film in an amount ranging from 5 to
80% by weight, with respect to the total weight of the film.
27. The method according to claim 26, wherein the at least one
surfactant is present in the film in an amount ranging from 10 to
60% by weight, with respect to the total weight of the film.
28. The method according to claim 1, wherein the at least one
anhydrous film further comprises at least one plasticizing
agent.
29. The method according to claim 1, wherein the at least one
anhydrous film further comprises at least one additive chosen from
moisturizing agents; soothing agents; refreshing agents; scenting
agents; lubricants; superfatting agents; emollients; opacifying
agents; stabilizing agents; colorants; fragrances; preservatives;
antioxidants; pH-regulating agents; and active compounds.
30. The method according to claim 29, wherein the active compounds
are chosen from vitamin E (tocopherol) and its derivatives; vitamin
A (retinol) and its derivatives; polyunsaturated fatty acids;
essential oils; .alpha.-hydroxy acids; ascorbic acid (vitamin C)
and its derivatives; urea; amino acids; oligopeptides; plant
extracts; peptide hydrolysates; protein hydrolysates; trace
elements; hyaluronic acid and its salts; panthenol; .beta.-hydroxy
acids; and mixtures thereof.
31. The method according to claim 30, wherein the .alpha.-hydroxy
acids are chosen from lactic acid and glycolic acid.
32. The method according to claim 30, wherein the plant extracts
are chosen from ginkgo biloba.
33. The method according to claim 30, wherein the .beta.-hydroxy
acids are chosen from acetylsalicylic acid.
34. A shaving kit, comprising: (a) at least one anhydrous film
which is soluble or dispersible in a solvent and which forms a
shaving composition when brought into contact with the solvent, and
(b) at least one razor, and/or (c) a means for spreading the
shaving composition.
35. The shaving kit according to claim 34, wherein the at least one
razor is a disposable razor.
36. The shaving kit according to claim 34, further comprising the
solvent intended to be mixed at the time of use with the at least
one anhydrous film.
37. The shaving kit according to claim 34, further comprising at
least one aftershave composition.
Description
[0001] This application claims benefit of U.S. Provisional
Application No. 60/587,058, filed Jul. 13, 2004, the contents of
which are incorporated herein by reference. This application also
claims benefit of priority under 35 U.S.C. .sctn. 119 to French
Patent Application No. 04 51191, filed Jun. 22, 2004, the contents
of which are also incorporated by reference.
[0002] Disclosed herein is a shaving method comprising generating a
shaving composition by bringing at least one anhydrous film which
is soluble or dispersible in a solvent into contact with the
solvent.
[0003] Also disclosed herein are shaving kits comprising at least
one anhydrous film which is soluble or dispersible in a solvent and
at least one razor, for example a disposable razor, and/or a means
for spreading a shaving composition.
[0004] The products used by a man to remove hairs from his body for
aesthetic or hygienic purposes are known and varied, from shaving
soap, whether powder, bar, or cake, oils up to shaving creams and
foams and up to aqueous shaving gels (refer in this respect to the
article entitled "Shaving Preparations--Origin of Shaving and Sales
Trends", by Robert E. Saut, published in the work "The Chemistry
and Manufacture of Cosmetics", Second Edition, 1975, Vol. IV,
chapter 64, pages 1313 to 1341, from Maison G. de Navarre).
[0005] In addition to conventional shaving gels, transparent
non-foaming gels and shaving gels with delayed foaming (or with a
delayed foaming effect) are also known and have been disclosed in
numerous patents, such as, for example, U.S. Pat. Nos. 3,541,581
and 4,405,489 and French Patent No. FR 2 595 943. These gels with a
delayed foaming effect are compositions that may be packaged under
pressure in an aerosol device which delivers; under the effect of a
propellant, gels which are non-foaming under static conditions but
which, under the mechanical action due to the spreading of the
product on the skin, may spontaneously and virtually
instantaneously generate a foam on the skin.
[0006] Current shaving products may be packaged in multidose form,
such as jars, bottles, tubes and aerosols. These packaging forms
may not be suitable for travel as they are bulky and, for some of
them, easily damaged. Small aerosols have been developed to meet
this need but they may be expensive to manufacture. Articles of
shaving paper or wipe type have been provided and are, for example,
disclosed in the Japanese patent documents JP 2000-319147, JP
09-157143, and JP 2000-256164 and U.S. patent application
Publication Ser. No. 2001/0046513. These articles may be supports
impregnated with a fluid formulation which may facilitate shaving.
Apart from the fact that these products may result in problems of
biodegradability which may be harmful to the environment, they may
be very difficult to use on unshaven skin.
[0007] This is because shaving products should ideally exhibit an
appropriate texture which may make possible good spreading over the
skin of the face, which may facilitate the movement of the razor
over the surface of the skin to be treated, and which may
facilitate the cutting of the individual hair. In addition, a
shaving formulation should ideally be able to rapidly develop the
desired texture in a homogeneous and stable way on contact with
water. Finally, the shaving product should ideally have good
cosmetic qualities, such as at least one of moisturizing,
contribution of softness, comfort on shaving, absence of tacky
effect, and absence of runny effect on the skin. The shaving
product should also be easily removed on rinsing with water, both
from the skin and from the razor blades.
[0008] The need thus exists to have available novel forms of
shaving products which may be suitable for travel, which are small
in volume, which are inexpensive to manufacture, which are easy to
employ, and/or which may exhibit at least one of the qualities of a
good shaving product as mentioned above.
[0009] Thus, after much research, the present inventor has now
discovered that it is possible to obtain a shaving formulation
which meets this need starting from at least one anhydrous film
which is dispersible or soluble in a solvent such as an aqueous
composition. Such an at least one anhydrous film is intended to
form at the time of use, on contact with the solvent, a composition
capable of being applied to the skin and of making possible
effective and comfortable shaving.
[0010] This discovery is at the basis of at least one embodiment of
the present disclosure.
[0011] Admittedly, the use is known of anhydrous films for
immediate dissolution on contact with water or saliva and of edible
films targeted at wrapping foods in order to increase their storage
life, and this technique has formed the subject-matter of numerous
applications (Guilbert S. et al., Technology and applications of
edible protective films, Packaging Technology and Science, vol. 8,
pp. 339-346, 1995) and of patents, such as, for example, U.S. Pat.
Nos. 5,965,708 and 5,962,053 and Japanese Patent No. JP A
10/215792. Likewise, this type of technology is used in the
pharmaceutical field for administering active principles by the
oral route in the form of formulations for instantaneous buccal
disintegration, for example as disclosed in the patent documents WO
A 2002/085119, WO A 2002/043657, and WO A 2001/070194. The use of
these films has also been extended to the administration of
medicaments to other mucous membranes, such as the vagina (see, for
example, EP A 1 110 546) and to wounds (see, for example, JP A
63/220876).
[0012] In addition, the Japanese patent document JP A 2002/212027
discloses the production and the composition of cosmetic
preparations in the form of water-soluble films without claiming
any specific use. International patent documents WO A 2002/05789
and WO-A-2003/075812 and U.S. patent application Publication Ser.
No. 2002/0127254 disclose the preparation and administration of
anhydrous polymeric films for direct administration of cosmetic
compositions to the prewetted skin. Furthermore, U.S. patent
application Publication Ser. No. 2003/0186826 discloses a dry
cosmetic composition based on polymers and on surfactants to be
administered to the skin or hair with water. However, these
documents never envisage the preparation at the time of use of a
product intended for shaving the skin.
[0013] The use in cosmetics of hydratable films based on modified
starch and on an active principle is disclosed, for example, in
European Patent Application No. EP 1 317 916, for example in hair
compositions such as shampoos, hair fixing compositions, deodorant
products, and washing products. However, this document never
envisages the preparation at the time of use of a product intended
for shaving the skin.
[0014] In addition, the use is known, for example as disclosed in
U.S. patent application Publication. Ser. No. 2004/0029762, of
hydratable sheets of soap or hydratable sheets comprising a high
concentration of surfactants intended for cleaning the skin and
skin hygiene. Water-soluble sheets based on water-soluble polymer,
on poly(vinyl alcohol) and on a surfactant which are intended for
cleaning the skin and skin hygiene are also disclosed, for example,
in patent application Ser. No. WO 2004/032859. These sheets are not
described for use in shaving the skin.
[0015] Thus, disclosed herein is a method for shaving the skin,
comprising:
[0016] (1 ) generating at the time of use a shaving composition by
bringing at least one anhydrous film which is soluble or
dispersible in a solvent into contact with the solvent, then
[0017] (2) applying the shaving composition thus formed to the
surface of the skin to be shaved, and
[0018] (3) shaving the skin using a razor.
[0019] Another embodiment disclosed herein relates to the use of at
least one anhydrous film which is soluble or dispersible in a
solvent, such as an aqueous solution, to prepare a composition for
shaving the skin.
[0020] Further disclosed herein is a shaving kit comprising
[0021] (a) at least one anhydrous film which is soluble or
dispersible in a solvent such as an aqueous composition,
[0022] (b) at least one razor, such as a disposable razor,
and/or
[0023] (c) a means for spreading a shaving composition, for
example, a brush such as a shaving brush, or a sponge.
[0024] The solvent used in accordance with certain embodiments may
be an organic solvent, such as, for example, an oil or a mixture of
oils commonly used in the manufacture of shaving oils, or else a
composition comprising at least one organic solvent and optionally
comprising at least one cosmetic active principle for the comfort
and/or care of the skin.
[0025] The solvent used in accordance with certain embodiments
disclosed herein may be an aqueous composition and the at least one
anhydrous film will be soluble or dispersible in water. The aqueous
composition may be chosen from tap water, thermal water, spring
water, scented water, and aqueous compositions comprising at least
one cosmetic active principle for the comfort and/or care of the
skin.
[0026] As used herein, the term "film" is understood to mean a thin
solid which can be grasped. As used herein, the term "thin" is
understood to mean a solid having a thickness of at most 5,000
.mu.m.
[0027] The at least one anhydrous film can be formed of a single
layer or can be composed of several superimposed layers.
[0028] The at least one anhydrous film in accordance with the
present disclosure should have an appropriate size in order to be
able to be easily handled by the user. The film may be in the shape
of a square, rectangle, disc, or any other shape. Each film may
have a thickness ranging from 50 .mu.m to 5,000 .mu.m, such as 100
to 2,000 .mu.m. Each film may have a surface area ranging from 1 to
50 cm.sup.2, such as from 2 to 30 cm.sup.2.
[0029] Furthermore, as used herein the term "anhydrous film" is
understood to mean a film comprising less than 20% by weight of
water, such as less than 10% by weight, with respect to the total
weight of the film.
[0030] As used herein, the term "soluble film" is understood to
mean a film which dissolves in the solvent.
[0031] As used herein, the term "dispersible film" is understood to
mean a film which disperses in the solvent.
[0032] According to one embodiment, the at least one anhydrous film
disclosed herein comprises at least one hydrophilic polymer which
is soluble in water and fibers which are soluble or dispersible in
water.
[0033] Mention may be made, as examples of water-soluble
hydrophilic polymers which can be used according to certain
embodiments, of the following polymers:
[0034] polyvinylpyrrolidones;
[0035] cellulose polymers, such as hydroxyethyl cellulose,
hydroxypropyl cellulose, hydroxypropyl methyl cellulose,
methylcellulose, ethylhydroxyethyl cellulose, carboxymethyl
cellulose, and quaternized derivatives of cellulose; and
[0036] optionally modified starches, such as those disclosed in
European Patent Application No. EP 1 317 916;
[0037] optionally modified polymers of natural origin, such as gum
arabic, guar gum, xanthan derivatives, karaya gum,
glycoaminoglycans, shellac, sandarac gum, dammers, elemis, copals,
pectin, mannan, galactomannans, glucomannans, and derivatives
thereof, and
[0038] mixtures of these polymers.
[0039] The at least one hydrophilic polymer may be present in the
film in an amount ranging from 5 to 80% by weight, such as from 10
to 60% by weight, with respect to the total weight of the film.
[0040] The fibers which can be used in the composition disclosed
herein may be chosen from fibers of natural origin, such as
cellulose fibers extracted from plants and, for example, cellulose
fibers resulting from at least one of wood, silk, cotton, wool,
flax, fruit, and beet.
[0041] In at least one embodiment, the fibers of natural origin may
be chosen from wood cellulose fibers in the form of pulp. Mention
may be made, among these fibers, of the products corresponding, for
example, to the commercial references Lignocel.RTM., Lyocell, Rayon
Flock, Natural Rayon, Cell-U-Lash, AV Cell, Biofluff, Temfilm, and
Biofloc.RTM..
[0042] Polylactic acid (PLA) fibers resulting from maize may also
be used.
[0043] The fibers may be introduced into the at least one anhydrous
film in the form of paper which may be dissolved or dispersed in
water. Such products are known, for example, under the trade names
of Dissolvo.RTM. (Gilbreth) and MDP (Mishima Paper).
[0044] The fibers of natural origin disclosed herein can be mixed
with synthetic resins or fibers, such as polypropylene,
polyethylene, poly(ethylene terephthalate), polyamide, or
poly(vinyl acetate) resins or fibers.
[0045] Mention may be made, among water-soluble fibers, of the
fibers produced from poly(vinyl alcohol) (PVA), such as, for
example, the products sold by the Japanese company Kuraray under
the name Kuralon K II.RTM. WN2. The process for the manufacture of
these fibers may comprise using organic solvents. The cross section
of these fibers may be substantially circular. European Patent
Application No. EP 636 716 discloses water-soluble PVA-based fibers
and their process of preparation.
[0046] Mention may also be made, among water-soluble fibers, of
poly(ethylene oxide) fibers; polylactic acid fibers, such as the
Lactron.RTM. fibers from the Japanese company Kanebo; and the
polysaccharide fibers sold under the name Lysorb.RTM. by Lysac
Technologies Inc.
[0047] The fibers may be present in the film in an amount ranging
from 1 to 90% by weight, such as from 5 to 80% by weight, relative
to the total weight of the film.
[0048] According to one embodiment disclosed herein, the at least
one anhydrous film further comprises at least one surfactant.
[0049] The at least one surfactant may be chosen from anionic,
amphoteric, zwitterionic, or nonionic surfactants and mixtures
thereof.
[0050] Mention may be made, among the anionic surfactants which can
be used according to certain embodiments, of salts of fatty acids
(or soaps) comprising a saturated or unsaturated, linear or
branched, alkyl chain having from 6 to 30 carbon atoms, for example
having 12 to 22 carbon atoms.
[0051] The bases that may be used to completely neutralize these
fatty acids may be chosen from inorganic bases, such as alkali
metal hydroxides (sodium hydroxide and potassium hydroxide),
alkaline earth metal (magnesium) hydroxides, and aqueous ammonia;
organic bases, such as alkanolamines, for example triethanolamine,
monoethanolamine, and monoisopropanolamine; and amino acids, such
as N-methylglucamine, lysine, and arginine.
[0052] As examples of fatty acid salts, mention may be made of
alkanolamine (i.e., triethanolamine) salts or potassium hydroxide
salts of lauric acid, myristic acid, palmitic acid, and stearic
acid, and mixtures thereof.
[0053] Mention may be made, as other anionic surfactants which can
be used in accordance with certain embodiments, of salts, for
example, alkali metal salts, such as sodium salts, ammonium salts,
amine salts, aminoalcohol salts, and alkaline earth metal salts,
for example magnesium salts, of the following types: alkyl
sulphates, alkyl ether sulphates, alkylamido ether sulphates,
alkylaryl polyether sulphates, monoglyceride sulphates,
alkylsulphonates, alkylamidesulphonates, alkylarylsulphonates,
.alpha.-olefinsulphonates, paraffinsulphonates, alkyl
sulphosuccinates, alkyl ether sulphosuccinates, alkylamide
sulphosuccinates, alkyl sulphoacetates, acylsarcosinates, and
acylglutamates, the alkyl and acyl groups of all these compounds
comprising from 6 to 24 carbon atoms and the aryl group denoting,
for example, a phenyl or benzyl group. Use may also be made of
C.sub.6-C.sub.24 alkyl esters of polyglycosidecarboxylic acids,
such as alkyl glucosidecitrates, alkyl polyglycosidetartrates, and
alkyl polyglycosidesulphosuccinates; alkyl sulphosuccinamates, acyl
isethionates, and N-acyltaurates, the alkyl or acyl group of all
these compounds comprising from 12 to 20 carbon atoms. Mention may
also be made, among the anionic surfactants which may be used, of
the acyl lactylates, the acyl group of which comprises from 8 to 20
carbon atoms, and mixtures thereof.
[0054] In addition, mention may also be made of
alkyl-D-galactosideuronic acids, polyoxyalkylenated
(C.sub.6-C.sub.24)alkyl ether carboxylic acids, polyoxyalkylenated
(C.sub.6-C.sub.24) alkyl(C.sub.6-C.sub.24)aryl ether carboxylic
acids, polyoxyalkylenated (C.sub.6-24)alkylamido ether carboxylic
acids, such as those comprising from 2 to 50 ethylene oxide groups,
and their alkali metal, ammonium, amine, aminoalcohol, and alkaline
earth metal salts.
[0055] The at least one amphoteric surfactant which may be suitable
according to the present disclosure may be chosen from, for
example, derivatives of aliphatic secondary or tertiary amines in
which the aliphatic group is a linear or branched chain comprising
from 8 to 22 carbon atoms and comprising at least one
water-solubilizing anionic group, such as, for example,
carboxylate, sulphonate, sulphate, phosphate, and phosphonate
groups.
[0056] Mention may be made, among the amine derivatives, of the
products sold under the name Miranol.RTM., as disclosed in U.S.
Pat. Nos. 2,528,378 and 2,781,354 and classified in the CTFA
dictionary, 3rd edition, 1982, under the names
Amphocarboxyglycinate and Amphocarboxypropionate.
[0057] These compounds are classified in the CTFA dictionary, 5th
edition, 1993, under the names Disodium Cocoamphodiacetate,
Disodium Lauroamphodiacetate, Disodium Caprylamphodiacetate,
Disodium Capryloamphodiacetate, Disodium Cocoamphodipropionate,
Disodium Lauroamphodipropionate, Disodium Caprylamphodipropionate,
Disodium Capryloamphodipropionate, Lau roamphodipropion ic acid,
and Cocoamphodipropionic acid. Mention may be made, by way of
example, of the cocoamphodiacetate sold by Rhodia under the trade
name Miranol.RTM. C2M concentrate.
[0058] The at least one amphoteric surfactant which may be suitable
in accordance with the present disclosure may also be chosen from
(C.sub.8-C.sub.20)alkylbetaines, sulphobetaines,
(C.sub.8-C.sub.20)alkyla- mido(C.sub.6-C.sub.8)alkylbetaines,
(C.sub.8-C.sub.20)alkylamido(C.sub.6-C- .sub.8)alkylsulphobetaines,
and mixtures thereof, for example (C.sub.8-C.sub.20)alkylbetaines,
such as cocobetaine, sold under the trade names Mirataine.RTM.
BB/FLA of Rhodia and Empigen.RTM. BB/FL of Huntsman.
[0059] The at least one nonionic surfactant may be chosen, for
instance, from polyethoxylated, polypropoxylated, and
polyglycerolated fatty acids; (C.sub.1-C.sub.20)alkylphenols;
.alpha.-diols; and alcohols having a fatty chain comprising, for
example, from 8 to 18 carbon atoms, it being possible for the
number of ethylene oxide or propylene oxide groups to range, for
example, from 2 to 50 and it being possible for the number of
glycerol groups to range, for example, from 2 to 30. Mention may
also be made of copolymers of ethylene oxide and of propylene
oxide, condensates of ethylene oxide and of propylene oxide with
fatty alcohols; polyethoxylated fatty amides, for example having
from 2 to 30 mol of ethylene oxide, polyglycerolated fatty amides
comprising on average from 1 to 5 glycerol groups, such as from 1.5
to 4 glycerol groups; polyethoxylated fatty amines for example
having 2 to 30 mol of ethylene oxide; sorbitan ethoxylated fatty
acid esters having from 2 to 30 mol of ethylene oxide; sucrose
fatty acid esters; polyethylene glycol esters of fatty acids;
(C.sub.6-C.sub.24)alkylpolyglycosides;
N-(C.sub.6-C.sub.24)alkylglucamine derivatives; amine oxides, such
as oxides of (C.sub.10-C.sub.14)alkylamines and
N-(C.sub.10-C.sub.14)acylami- nopropylmorpholine oxides; and
mixtures thereof.
[0060] The at least one surfactant may be present in the at least
one anhydrous film in an amount ranging from 5 to 80% by weight,
such as from 10 to 60% by weight, relative to the total weight of
the film.
[0061] In at least one embodiment, the at least one surfactant may
be chosen from anionic surfactants, for example salts of fatty
acids (soaps), such as those defined above.
[0062] The at least one anhydrous film disclosed herein may
additionally comprise at least one plasticizing agent.
[0063] The at least one plasticizing agent may be chosen from
polyols, such as glycerol, polyethylene glycol, dipropylene glycol,
butylene glycol, and pentylene glycol; sugar alcohols, such as
sorbitol, mannitol, maltitol, and lactitol; mono-, di-, and
oligosaccharides, such as glucose, fructose, sucrose, maltose, and
lactose; polycarboxylic acids, such as citric acid, maleic acid,
succinic acid, polyacrylic acid, and polymaleic acid; and
polyesters, such as glyceryl triacetate, acetylated monoglyceride,
diethyl phthalate, triethyl citrate, tributyl citrate, triethyl
acetylcitrate, and tributyl acetylcitrate.
[0064] The at least one anhydrous film disclosed herein may further
comprise at least one other ingredient or active principle known in
the field of shaving products.
[0065] Mention may be made, for example, of:
[0066] moisturizing agents, and among them glycerol and
sorbitol;
[0067] soothing agents, such as allantoin or .alpha.-bisabolol;
[0068] refreshing and scenting agents, such as menthol and its
derivatives;
[0069] lubricants, such as silicones, polydecenes,
polyvinylpyrrolidones, and cationic polymers;
[0070] superfatting agents, such as waxes, oils of vegetable,
animal, or mineral origin, esters of fatty acids, fatty alcohols,
and fatty acids;
[0071] emollients, such as polyethylene glycol, polypropylene
glycol, the benzoate of C.sub.12/C.sub.15 alcohols, glycerol
stearate, and polyethylene glycol stearate;
[0072] opacifying agents;
[0073] stabilizing agents;
[0074] colorants;
[0075] fragrances;
[0076] preservatives;
[0077] antioxidants;
[0078] pH-regulating agents; and
[0079] active compounds.
[0080] Mention may be made, among active compounds, of vitamins,
such as vitamin E (tocopherol) and its derivatives; vitamin A
(retinol) and its derivatives; polyunsaturated fatty acids;
essential oils; .alpha.-hydroxy acids, such as lactic acid and
glycolic acid; ascorbic acid (vitamin C) and its derivatives; urea;
amino acids; oligopeptides; plant extracts, such as those of ginkgo
biloba; peptide hydrolysates, protein hydrolysates; trace elements;
hyaluronic acid and its salts; panthenol; .beta.-hydroxy acids,
such as acetylsalicylic acid; and mixtures thereof.
[0081] Of course, a person skilled in the art will take care to
choose the at least one optional additional compound mentioned
above so that the advantageous properties intrinsically attached to
the at least one anhydrous film disclosed herein is not, or not
substantially, detrimentally affected by the envisaged addition or
additions.
[0082] The at least one anhydrous film disclosed herein may be
devoid of preservative. This may be advantageous in terms of
harmlessness.
[0083] In certain embodiments, the at least one anhydrous film
disclosed herein may be used singly and the at least one anhydrous
film may exhibit excellent preservation, even without addition of
preservative, which may be by virtue of its dry nature.
[0084] The at least one anhydrous film disclosed herein may be
packaged in an article which may facilitate the grasping thereof,
such as that disclosed in French Patent Application No. FR 0 351
002, the content of which is incorporated herein by reference. The
at least one anhydrous film may be packaged in, for example, a
plastic dispensing box, an individual bag, or a blister pack. The
at least one anhydrous film disclosed herein, which is hydratable,
may be packaged, for example, in a case with a drawer or with a lid
articulated on a base. The case can comprise means intended to
facilitate the dispensing of the articles. The dispensing means can
be of the type disclosed, for example, in U.S. Pat. No. 2,973,882,
British Patent No. GB A 2 358 627, Swiss Patent No. CH A 461 025,
and U.S. Pat. No. 6,578,732.
[0085] Further disclosed herein is a shaving kit comprising
[0086] (a) at least one anhydrous film which is soluble or
dispersible in a solvent, such as an aqueous composition, and
[0087] (b) at least one razor, such as a disposable razor,
and/or
[0088] (c) a means for spreading a shaving composition, such as,
for example, a brush, for example a shaving brush, or a sponge.
[0089] According to one embodiment, the shaving kit may further
comprise the solvent intended to be mixed at the time of use with
the at least one anhydrous film of the same kit, for example the
aqueous composition.
[0090] The solvent, such as the aqueous composition, can be
provided in a single-dose form, such as bags, tubes, vials,
prefilled syringes, soft capsules, shells, or trays made of
thermoformed plastic. The aqueous composition may also be provided
in a conventional multi-dose form, such as a bottle, and may be
packaged in a system dispensing a predefined dose. Such a system
may, for example, be chosen from pump-action spray systems, aerosol
systems, pipette systems, graduated syringe systems, and dropper
systems.
[0091] According to another embodiment disclosed herein, the
shaving kit may further comprise, in addition, at least one
aftershave composition.
[0092] Here again, the at least one aftershave composition can be
provided in a single-dose form, such as bags, impregnated wipes,
tubes, vials, prefilled syringes, soft capsules, shells, or trays
made of thermoformed plastic. The at least one aftershave
composition may also be provided in a conventional multi-dose form,
such as a bottle, and may be packaged in a system dispensing a
predefined dose. Such a system may be chosen from pump-action spray
systems, aerosol systems, pipette systems, graduated syringe
systems, and dropper systems.
[0093] Other than in the examples, or where otherwise indicated,
all numbers expressing quantities of ingredients, reaction
conditions, and so forth used in the specification and claims are
to be understood as being modified in all instances by the term
"about." Accordingly, unless indicated to the contrary, the
numerical parameters set forth in the specification and attached
claims are approximations that may vary depending upon the desired
properties sought to be obtained by the present invention. At the
very least, and not as an attempt to limit the application of the
doctrine of equivalents to the scope of the claims, each numerical
parameter should be construed in light of the number of significant
digits and ordinary rounding approaches.
[0094] Notwithstanding that the numerical ranges and parameters
setting forth the broad scope of the invention are approximations,
unless otherwise indicated the numerical values set forth in the
specific examples are reported as precisely as possible. Any
numerical value, however, inherently contain certain errors
necessarily resulting from the standard deviation found in their
respective testing measurements.
[0095] Concrete but in no way limiting examples illustrating
certain embodiments will now be given.
EXAMPLE 1
[0096] A water-soluble anhydrous film with the following
composition was prepared:
1 Modified starch 30% by weight Wood cellulose pulp 25% by weight
Soap 35% by weight Glycerol 10% by weight
[0097] After bringing the film into contact with tap water, a
foaming gel was instantaneously obtained, the texture of which made
possible ready spreading over the skin of the face and effective
and comfortable shaving.
* * * * *